Aircall vs 37signals
Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.
Aircall and 37signals (HEY! It's in Basecamp!) both appear on the Smoower Developer Ecosystem Index.
37signals (rank #122) holds a modest lead over Aircall (rank #485) on the overall Smoower ecosystem score (54 vs 38). The gap of 16 points reflects composite signals across code, docs, community and reach.
On code quality (the state of repositories, tests, releases and polish), 37signals is clearly ahead of Aircall. On education (docs, guides and learning material for developers), Aircall is ahead of 37signals. On community (issue response, PR reviews and discussion health), 37signals is clearly ahead of Aircall. On reach (how visible the ecosystem is beyond its own repos), Aircall is slightly ahead of 37signals. On momentum (release cadence and how fast the ecosystem moves), 37signals is clearly ahead of Aircall.
Aircall carries 156 GitHub stars across 28 public repos, with 1 repositories active in the last 90 days and 1 external contributors on record. 37signals shows 113,857 stars across 236 public repos, 48 active in the last 90 days and 298 external contributors. The star gap on its own does not decide the comparison, but 37signals's footprint is roughly 729.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.
Aircall is the stronger read for anyone weighting education. 37signals looks better where momentum is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.
Side-by-side metrics
| Metric | Aircall | 37signals |
|---|---|---|
| Ranking | ||
| Overall rank | #485 | #122 |
| Pillars | ||
| Overall | 38 | 54 |
| Code | 35 | 58 |
| Education | 64 | 54 |
| Community | 14 | 54 |
| Reach | 61 | 56 |
| Momentum | 2 | 46 |
| Builder experience | 0 | 0 |
| Signals | ||
| Stars | 156 | 113,857 |
| Forks | 159 | 10,432 |
| Public repos | 28 | 236 |
| Active repos (90d) | 1 | 48 |
| External contributors | 1 | 298 |
| Avg polish | 34 | 57 |
| Avg AI-readiness | 26 | 33 |